# Potential issue with new USB to CaN bridge?

**URL:** <https://klipper.discourse.group/t/potential-issue-with-new-usb-to-can-bridge/3577>\
**Category:** General Discussion\
**Created:** [July 25, 2022, 7:51am UTC](https://klipper.discourse.group/t/potential-issue-with-new-usb-to-can-bridge/3577 "2022-07-25T07:51:48Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![richard\_kis](https://avatars.discourse-cdn.com/v4/letter/r/eb9ed0/32.png) [@richard\_kis](https://klipper.discourse.group/u/richard_kis)\
**Post date:** [April 5, 2024, 9:20am UTC](https://klipper.discourse.group/t/potential-issue-with-new-usb-to-can-bridge/3577/7 "2024-04-05T09:20:49Z")

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Hello, for a some reason I still have a problem with FIRMWARE\_RESTART in CAN bridge mode. Firmware version: v0.12.0-8, BTT Octopus plus Fly Mellow SB2040 CAN toolhead. MCU configuration as below. Please, could you check? BTW I use canboot mode in 2040 toolhead, could this have some influence?

[mcu]  
canbus\_uuid: 0692bed3a983

[mcu SB2040]  
canbus\_uuid: 40120b79508a

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